| import * as React from 'react' |
| import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query' |
| import * as api from './api' |
|
|
| export const movieKeys = { |
| all: () => ['movies'], |
| list: () => [...movieKeys.all(), 'list'], |
| details: () => [...movieKeys.all(), 'detail'], |
| detail: (id: string) => [...movieKeys.details(), id], |
| } |
|
|
| export const useMovie = (movieId: string) => { |
| const queryClient = useQueryClient() |
|
|
| const movieQuery = useQuery({ |
| queryKey: movieKeys.detail(movieId), |
| queryFn: () => api.fetchMovie(movieId), |
| }) |
|
|
| const [comment, setComment] = React.useState<string | undefined>() |
|
|
| const updateMovie = useMutation({ |
| mutationKey: movieKeys.detail(movieId), |
| onMutate: async () => { |
| await queryClient.cancelQueries({ queryKey: movieKeys.detail(movieId) }) |
| const previousData = queryClient.getQueryData(movieKeys.detail(movieId)) |
|
|
| |
| setComment(undefined) |
|
|
| queryClient.setQueryData(movieKeys.detail(movieId), { |
| ...previousData, |
| movie: { |
| ...previousData.movie, |
| comment, |
| }, |
| }) |
|
|
| return { previousData } |
| }, |
| onError: (_, __, context) => { |
| queryClient.setQueryData(movieKeys.detail(movieId), context.previousData) |
| }, |
| onSettled: () => { |
| queryClient.invalidateQueries({ queryKey: movieKeys.detail(movieId) }) |
| }, |
| }) |
|
|
| return { |
| comment: comment ?? movieQuery.data?.movie.comment, |
| setComment, |
| updateMovie, |
| movieQuery, |
| } |
| } |
|
|
